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it's not only that a long time ago I was working on a 2930 with no blue, I had spare 2934 neckboard swapped it in and I had blue but no focus no matter what adjustment I made. I eventually found a blown resistor on the original neckboard and restored the missing blue color. I did learn that...

it's ultra bios standard but cd version of course.

I'll get a cheap audio probe on eBay thx.

I have a logic probe yea the sound effects play but like all the other audio it eventually drops off and comes back and drops off

I would not kind taking a shot at it but my backlog kinda long.

Got this from a friend and been working at it slowly for a while. The sound starts rough with noise and eventually dies out and comes back in and out. This is what I did so far guys, changed the pot, changed the electrolytic caps, changed the tantalum 4.7ufs, changed the 640khz resonators which...

Would need a close up picture of all the customs to check for corrosion.

I've seen something similar once before. is the board clean with no spill damage? https://x.com/Cruzlink2/status/1878028268030283849

Can you post a picture of the garbled graphics.

For sure it would have worked. I just wanted a neat secure install that left room for heatsinks for both ram and ppu. As for the FPGA swap I had already put in so much time I did not wanna undo my install lol. I had this project on my mind and found my spare board and my brand new fpga so I said...

@mathewbeall sent the board to me, I removed the install including the qsb and redid the entire install wired. Although my work was neat and I verified every connection I still had no audio from the HDMI port. I spend a few more mins and found out there was a short between jumper 5 to 6 and both...

Thank you sir.

Done. View: https://youtu.be/b65ZdMt08JU

Damn no one ever really answered this... Well no matter anyways, I tried another chassis we got for cheap but that didn't work either. Thought it was the tube so we got a donor TV to transplant. Day of the transplant I tested the tube with a BK 490 and the tube was good aside from a bad green...

So I have a revision D cpu cart with the same symptoms and I replaced all the same things I replaced on this card and it still won't fire up at all, with that one I suspect the oscillator. @Darksoft do you have any of the oscillator you use on the repro carts left? I would not mind buying one...

Ok stole the CPU from a dead Saturn and reprogrammed the flash to ultra standard sh2 and we back in business. If you have a cart that won't revive check the nand chips or the CPU. View: https://youtu.be/WmVJp9X3ocw?si=P9qYf3oqqDPA5GN9

Got a parts Saturn here gonna steal one of the CPU put it in the cart and see tonight.

Not yet I took off the two main program roms from the mainboard but none of my programmers work with it, gonna go to my friend's place soon and use his programmer.

Swapped out the second nand gate IC and same thing I am definitely suspecting the CPU or the oscillator View: https://youtube.com/shorts/yBRna_qKFa0?si=1a6Eklle8dkE09sj

Wires are good. Any idea where I can purchase the oscillator? I know they have to be available since the repro cart use them.